Microjig Grr-Ripper Advanced 3D Pushblock with Handle Bridge Kit & Deflector/Connector Accessory Precision woodworking hand pushing tool with adjustable/detachable components Utilizes multiple grooved non-slip pads for strong gripping & holding power Pushes & holds both sides of the work piece as it is being cut The handle, center leg & balance support are all fully adjustable Stabilizes work piece as the saw blade passes through either right or left tunnel